ENERGY SUBSTITUTION

[METAMAGIC]
Prerequisites: Any other metamagic feat, Knowledge (arcana) 5 ranks.
Benefit: You choose one type of energy: acid, cold, electricity, fire, or sonic. When employing a spell with the acid, cold, electricity, fire, or sonic designator, you can modify the spell to use your chosen type of energy instead. The altered spell uses a spell slot of the spell's normal level.
The altered spell works normally in all respects except the type of damage dealt.
Special: You can gain this feat multiple times. Each time the feat applies to a different type of energy.